Buscar
Mostrando ítems 61-70 de 506
The Correlation of Vibration Signal Features in Grinding of Advanced Ceramics
(Ieee-inst Electrical Electronics Engineers Inc, 2016-09-01)
Monitoring the grinding of ceramics using the vibration signal has been presented as an alternative for the diagnosis of the workpiece surface. This paper has the objective of studying the vibration signal through spectral ...
Evaluation of neural models applied to the estimation of tool wear in the grinding of advanced ceramics
(2015)
Grinding wheel wear, which is a very complex phenomenon, causes changes in most of the shapes and properties of the tool during machining, reducing the efficiency of the grinding operation and impairing workpiece quality. ...
Grinding performance of AISI D6 steel using CBN wheel vitrified and resinoid bonded
(Springer, 2019-10-21)
In the last decades, manufacturers attracted much attention to developing processes with competitivity, sustainability, and productivity. One of the most important developments was related to employing more efficient tools. ...
Influência das técnicas de mínima quantidade de lubrificante, refrigeração otimizada e refrigeração convencional na qualidade de peças produzidas com aços endurecidos no processo de retificação
(2010-08-01)
The influence of minimum lubrication, optimized and conventional cooling at different flows and application rates of cutting fluids on the quality of hardened-steel pieces produced by external cylindrical plunge grinding ...
Retificação cilíndrica do aço VP50 utilizando o rebolo de carbeto de silício verde com a técnica de MQL
(2016-07-01)
Grinding is a high heat generation process that requires large amount of coolant, therefore, its use in large-scale lead to research and development of new lubri-cooling techniques to attend technical requirements, ...
Application of minimum quantity lubrication with addition of water in the grinding of alumina
(Springer, 2018-07-01)
Among the alternatives to reduce the application of cutting fluid in machining industry, minimum quantity lubrication (MQL) technique has been promising, although it can impair cooling properties and the ability of the ...
Evaluation of the thermal damages in inlet engine valves varying the grinding wheels and the cutting fluids
(Escola de Minas, 2003-06-01)
Nesse artigo é apresentada uma pesquisa experimental sobre os danos térmicos que aparecem nas válvulas de admissão dos motores após passarem pelo processo de retificação. Foram utilizados, nessa experimentação, quatro tipos ...
Electromechanical impedance (EMI) technique as alternative to monitor workpiece surface damages after the grinding operation
(2018-10-01)
Electromechanical impedance (EMI) technique has been employed in detection of structural failure in civil and mechanical structures because of its non-destructive property and easy implementation of small and inexpensive ...
Grinding performance of bearing steel using MQL under different dilutions and wheel cleaning for green manufacture
(Elsevier B.V., 2020-06-01)
Cutting fluids have a fundamental role in machining, especially in grinding, since they are responsible for lubrication and refrigeration of the cutting region. On the other hand, they may cause damage to the environment ...
Minimum quantity of lubrication (MQL) as an eco-friendly alternative to the cutting fluids in advanced ceramics grinding
(Springer, 2019-08-01)
Advanced ceramics have been extensively used in industry applications due to their properties of high resistance to wear and hardness. However, there is still a high added cost related to the workpiece finish, which is ...